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-rw-r--r--tools/lib/traceevent/Makefile40
-rw-r--r--tools/lib/traceevent/event-parse.c41
-rw-r--r--tools/lib/traceevent/event-parse.h5
3 files changed, 63 insertions, 23 deletions
diff --git a/tools/lib/traceevent/Makefile b/tools/lib/traceevent/Makefile
index 938f73cec20d..2616c66e10c1 100644
--- a/tools/lib/traceevent/Makefile
+++ b/tools/lib/traceevent/Makefile
@@ -99,8 +99,6 @@ libdir_SQ = $(subst ','\'',$(libdir))
libdir_relative_SQ = $(subst ','\'',$(libdir_relative))
plugin_dir_SQ = $(subst ','\'',$(plugin_dir))
-LIB_FILE = libtraceevent.a libtraceevent.so
-
CONFIG_INCLUDES =
CONFIG_LIBS =
CONFIG_FLAGS =
@@ -114,6 +112,9 @@ N =
EVENT_PARSE_VERSION = $(EP_VERSION).$(EP_PATCHLEVEL).$(EP_EXTRAVERSION)
+LIB_TARGET = libtraceevent.a libtraceevent.so.$(EVENT_PARSE_VERSION)
+LIB_INSTALL = libtraceevent.a libtraceevent.so*
+
INCLUDES = -I. -I $(srctree)/tools/include $(CONFIG_INCLUDES)
# Set compile option CFLAGS
@@ -156,11 +157,11 @@ PLUGINS += plugin_cfg80211.so
PLUGINS := $(addprefix $(OUTPUT),$(PLUGINS))
PLUGINS_IN := $(PLUGINS:.so=-in.o)
-TE_IN := $(OUTPUT)libtraceevent-in.o
-LIB_FILE := $(addprefix $(OUTPUT),$(LIB_FILE))
+TE_IN := $(OUTPUT)libtraceevent-in.o
+LIB_TARGET := $(addprefix $(OUTPUT),$(LIB_TARGET))
DYNAMIC_LIST_FILE := $(OUTPUT)libtraceevent-dynamic-list
-CMD_TARGETS = $(LIB_FILE) $(PLUGINS) $(DYNAMIC_LIST_FILE)
+CMD_TARGETS = $(LIB_TARGET) $(PLUGINS) $(DYNAMIC_LIST_FILE)
TARGETS = $(CMD_TARGETS)
@@ -171,8 +172,10 @@ all_cmd: $(CMD_TARGETS)
$(TE_IN): force
$(Q)$(MAKE) $(build)=libtraceevent
-$(OUTPUT)libtraceevent.so: $(TE_IN)
- $(QUIET_LINK)$(CC) --shared $^ -o $@
+$(OUTPUT)libtraceevent.so.$(EVENT_PARSE_VERSION): $(TE_IN)
+ $(QUIET_LINK)$(CC) --shared $^ -Wl,-soname,libtraceevent.so.$(EP_VERSION) -o $@
+ @ln -sf $(@F) $(OUTPUT)libtraceevent.so
+ @ln -sf $(@F) $(OUTPUT)libtraceevent.so.$(EP_VERSION)
$(OUTPUT)libtraceevent.a: $(TE_IN)
$(QUIET_LINK)$(RM) $@; $(AR) rcs $@ $^
@@ -236,11 +239,15 @@ TAGS: force
find . -name '*.[ch]' | xargs etags \
--regex='/_PE(\([^,)]*\).*/PEVENT_ERRNO__\1/'
+define do_install_mkdir
+ if [ ! -d '$(DESTDIR_SQ)$1' ]; then \
+ $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$1'; \
+ fi
+endef
+
define do_install
- if [ ! -d '$(DESTDIR_SQ)$2' ]; then \
- $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$2'; \
- fi; \
- $(INSTALL) $1 '$(DESTDIR_SQ)$2'
+ $(call do_install_mkdir,$2); \
+ $(INSTALL) $(if $3,-m $3,) $1 '$(DESTDIR_SQ)$2'
endef
define do_install_plugins
@@ -257,13 +264,20 @@ define do_generate_dynamic_list_file
endef
install_lib: all_cmd install_plugins
- $(call QUIET_INSTALL, $(LIB_FILE)) \
- $(call do_install,$(LIB_FILE),$(libdir_SQ))
+ $(call QUIET_INSTALL, $(LIB_TARGET)) \
+ $(call do_install_mkdir,$(libdir_SQ)); \
+ cp -fpR $(LIB_INSTALL) $(DESTDIR)$(libdir_SQ)
install_plugins: $(PLUGINS)
$(call QUIET_INSTALL, trace_plugins) \
$(call do_install_plugins, $(PLUGINS))
+install_headers:
+ $(call QUIET_INSTALL, headers) \
+ $(call do_install,event-parse.h,$(prefix)/include/traceevent,644); \
+ $(call do_install,event-utils.h,$(prefix)/include/traceevent,644); \
+ $(call do_install,kbuffer.h,$(prefix)/include/traceevent,644)
+
install: install_lib
clean:
diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index 664c90c8e22b..14a4f623c1a5 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -33,6 +33,7 @@
#include <stdint.h>
#include <limits.h>
#include <linux/string.h>
+#include <linux/time64.h>
#include <netinet/in.h>
#include "event-parse.h"
@@ -5191,11 +5192,11 @@ struct event_format *pevent_data_event_from_type(struct pevent *pevent, int type
}
/**
- * pevent_data_pid - parse the PID from raw data
+ * pevent_data_pid - parse the PID from record
* @pevent: a handle to the pevent
* @rec: the record to parse
*
- * This returns the PID from a raw data.
+ * This returns the PID from a record.
*/
int pevent_data_pid(struct pevent *pevent, struct pevent_record *rec)
{
@@ -5203,6 +5204,32 @@ int pevent_data_pid(struct pevent *pevent, struct pevent_record *rec)
}
/**
+ * pevent_data_prempt_count - parse the preempt count from the record
+ * @pevent: a handle to the pevent
+ * @rec: the record to parse
+ *
+ * This returns the preempt count from a record.
+ */
+int pevent_data_prempt_count(struct pevent *pevent, struct pevent_record *rec)
+{
+ return parse_common_pc(pevent, rec->data);
+}
+
+/**
+ * pevent_data_flags - parse the latency flags from the record
+ * @pevent: a handle to the pevent
+ * @rec: the record to parse
+ *
+ * This returns the latency flags from a record.
+ *
+ * Use trace_flag_type enum for the flags (see event-parse.h).
+ */
+int pevent_data_flags(struct pevent *pevent, struct pevent_record *rec)
+{
+ return parse_common_flags(pevent, rec->data);
+}
+
+/**
* pevent_data_comm_from_pid - return the command line from PID
* @pevent: a handle to the pevent
* @pid: the PID of the task to search for
@@ -5424,8 +5451,8 @@ void pevent_print_event_time(struct pevent *pevent, struct trace_seq *s,
use_usec_format = is_timestamp_in_us(pevent->trace_clock,
use_trace_clock);
if (use_usec_format) {
- secs = record->ts / NSECS_PER_SEC;
- nsecs = record->ts - secs * NSECS_PER_SEC;
+ secs = record->ts / NSEC_PER_SEC;
+ nsecs = record->ts - secs * NSEC_PER_SEC;
}
if (pevent->latency_format) {
@@ -5437,10 +5464,10 @@ void pevent_print_event_time(struct pevent *pevent, struct trace_seq *s,
usecs = nsecs;
p = 9;
} else {
- usecs = (nsecs + 500) / NSECS_PER_USEC;
+ usecs = (nsecs + 500) / NSEC_PER_USEC;
/* To avoid usecs larger than 1 sec */
- if (usecs >= 1000000) {
- usecs -= 1000000;
+ if (usecs >= USEC_PER_SEC) {
+ usecs -= USEC_PER_SEC;
secs++;
}
p = 6;
diff --git a/tools/lib/traceevent/event-parse.h b/tools/lib/traceevent/event-parse.h
index 9ffde377e89d..7aae746ec2fe 100644
--- a/tools/lib/traceevent/event-parse.h
+++ b/tools/lib/traceevent/event-parse.h
@@ -172,9 +172,6 @@ struct pevent_plugin_option {
#define PEVENT_PLUGIN_OPTIONS_NAME MAKE_STR(PEVENT_PLUGIN_OPTIONS)
#define PEVENT_PLUGIN_ALIAS_NAME MAKE_STR(PEVENT_PLUGIN_ALIAS)
-#define NSECS_PER_SEC 1000000000ULL
-#define NSECS_PER_USEC 1000ULL
-
enum format_flags {
FIELD_IS_ARRAY = 1,
FIELD_IS_POINTER = 2,
@@ -712,6 +709,8 @@ void pevent_data_lat_fmt(struct pevent *pevent,
int pevent_data_type(struct pevent *pevent, struct pevent_record *rec);
struct event_format *pevent_data_event_from_type(struct pevent *pevent, int type);
int pevent_data_pid(struct pevent *pevent, struct pevent_record *rec);
+int pevent_data_prempt_count(struct pevent *pevent, struct pevent_record *rec);
+int pevent_data_flags(struct pevent *pevent, struct pevent_record *rec);
const char *pevent_data_comm_from_pid(struct pevent *pevent, int pid);
struct cmdline;
struct cmdline *pevent_data_pid_from_comm(struct pevent *pevent, const char *comm,
generated by cgit (git 2.34.1) at 2024-05-28 08:47:14 +0000